CVE-2026-21291

MEDIUM
2026-03-11 [email protected]
4.8
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

Lifecycle Timeline

2
Analysis Generated
Mar 12, 2026 - 22:06 vuln.today
CVE Published
Mar 11, 2026 - 03:15 nvd
MEDIUM 4.8

Tags

Adobe XSS Magento Commerce B2b Commerce

Description

Adobe Commerce versions 2.4.9-alpha3, 2.4.8-p3, 2.4.7-p8, 2.4.6-p13, 2.4.5-p15, 2.4.4-p16 and earlier are affected by a stored Cross-Site Scripting (XSS) vulnerability that could be abused by a high-privileged attacker to inject malicious scripts into vulnerable form fields. Exploitation of this issue requires user interaction in that a victim must browse to the page containing the vulnerable field.

Analysis

Stored XSS in Adobe Commerce versions 2.4.9-alpha3 through 2.4.4-p16 allows high-privileged attackers to inject malicious scripts into form fields that execute when victims view the affected pages. The vulnerability requires attacker credentials and user interaction but could compromise session security and steal sensitive data across multiple Commerce deployments. …

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Remediation

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Verify Content-Security-Policy and output encoding.

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Priority Score

24
Low Medium High Critical
KEV: 0
EPSS: +0.1
CVSS: +24
POC: 0

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CVE-2026-21291 vulnerability details – vuln.today
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